1954381520

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{268459}}^1$

素因数の和:268492

約数の個数: 80

約数和(自身を含む): 5592558720

約数和(自身を除く): 3638177200

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 35, 40, 52, 56, 65, 70, 80, 91, 104, 112, 130, 140, 182, 208, 260, 280, 364, 455, 520, 560, 728, 910, 1040, 1456, 1820, 3640, 7280, 268459, 536918, 1073836, 1342295, 1879213, 2147672, 2684590, 3489967, 3758426, 4295344, 5369180, 6979934, 7516852, 9396065, 10738360, 13959868, 15033704, 17449835, 18792130, 21476720, 24429769, 27919736, 30067408, 34899670, 37584260, 48859538, 55839472, 69799340, 75168520, 97719076, 122148845, 139598680, 150337040, 195438152, 244297690, 279197360, 390876304, 488595380, 977190760, 1954381520]

約数ペア:

[(1, 1954381520), (2, 977190760), (4, 488595380), (5, 390876304), (7, 279197360), (8, 244297690), (10, 195438152), (13, 150337040), (14, 139598680), (16, 122148845), (20, 97719076), (26, 75168520), (28, 69799340), (35, 55839472), (40, 48859538), (52, 37584260), (56, 34899670), (65, 30067408), (70, 27919736), (80, 24429769), (91, 21476720), (104, 18792130), (112, 17449835), (130, 15033704), (140, 13959868), (182, 10738360), (208, 9396065), (260, 7516852), (280, 6979934), (364, 5369180), (455, 4295344), (520, 3758426), (560, 3489967), (728, 2684590), (910, 2147672), (1040, 1879213), (1456, 1342295), (1820, 1073836), (3640, 536918), (7280, 268459)]